package com.wangyadong.hobby.schedule.jobtask.dsa.binaryTree;

public interface Position<E> {
    /**
     * ∗∗
     * ∗ Returns the element stored at this position.
     * ∗
     * ∗ @return the stored element
     * ∗ @throws IllegalStateException if position no longer valid
     **/
    E getElement() throws IllegalStateException;
}